Key conlusions
- By applying Agrocote Max the yield increased by 26% (vs grower ‘s practice)
- The farmer income increased by 33% after deducting the Nitrogen costs, compared to grower’s practice
TRIAL SETUP
Objective
Prove that by applying ICL controlled release fertilizers less nitrogen needs to be applied and/or higher yields can be harvested compared to grower’s practice
When
Sowing, 5/4/2015
Harvest, 17/10/2015
Where
Interra Farm Ittre, Belgium. On an area of 5 ha half of the plot was fertilized with Agrocote Max , other half with grower’s practice.
Crop
Potato, Bintje variety
Soil type
Loam
Measurements
Yield and tuber size. Measurements Executed by Redebel
TREATMENTS
|
Treatment |
Date |
Formula |
Quantity |
N |
P2O5 |
K2O |
Application |
|
Grower practice |
10.4.15 |
Haspargit 0-4-16+16CaO+2MgO |
2 Ton |
- |
80 |
320 |
Base |
|
10.4.15 |
Ammonium nitrate (liquid) |
800 Kg |
143 |
- |
- |
Base |
|
|
25.4.15 |
Ammonium nitrate (liquid) |
400 Kg |
72 |
- |
- |
Top |
|
|
Agrocote Max |
10.4.15 |
Haspargit 0-4-16+16CaO+2MgO |
2 Ton |
- |
80 |
320 |
Base |
|
10.4.15 |
Agrocote Max 44-0-0, 2-3 M |
490 Kg |
215 |
- |
- |
Base |
|
Economic evaluation |
Grower practice |
ICL fertilizer plan |
|
Potato Price (€/ton) |
105 € |
105 € |
|
Total Yield (ton/ha) |
52 ton/ha |
67 ton/ha |
|
Nitrogen costs (€/ha) * |
360 €/ha |
425 €/ha € |
|
Gross income (€/ha) |
5.100 €/ha |
6.610 €/ha |
Treatments:
|
Treatment |
Date |
Formula |
Quantity |
N |
P2O5 |
K2O |
Application |
|
Grower practice |
10.4.15 |
Haspargit 0-4-16+16CaO+2MgO |
2 Ton |
- |
80 |
320 |
Base |
|
10.4.15 |
Ammonium nitrate (liquid) |
800 Kg |
143 |
- |
- |
Base |
|
|
25.4.15 |
Ammonium nitrate (liquid) |
400 Kg |
72 |
- |
- |
Top |
|
|
Agrocote Max |
10.4.15 |
Haspargit 0-4-16+16CaO+2MgO |
2 Ton |
- |
80 |
320 |
Base |
|
10.4.15 |
Agrocote Max 44-0-0, 2-3 M |
490 Kg |
215 |
- |
- |
Base |